| Mathbox for Alexander van der Vekens |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 2zrng0 | Structured version Visualization version GIF version | ||
| Description: The additive identity of R is the complex number 0. (Contributed by AV, 11-Feb-2020.) |
| Ref | Expression |
|---|---|
| 2zrng.e | ⊢ 𝐸 = {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} |
| 2zrngbas.r | ⊢ 𝑅 = (ℂfld ↾s 𝐸) |
| Ref | Expression |
|---|---|
| 2zrng0 | ⊢ 0 = (0g‘𝑅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cncrng 21607 | . . 3 ⊢ ℂfld ∈ CRing | |
| 2 | crngring 20385 | . . 3 ⊢ (ℂfld ∈ CRing → ℂfld ∈ Ring) | |
| 3 | ringmnd 20383 | . . 3 ⊢ (ℂfld ∈ Ring → ℂfld ∈ Mnd) | |
| 4 | 1, 2, 3 | mp2b 10 | . 2 ⊢ ℂfld ∈ Mnd |
| 5 | 2zrng.e | . . 3 ⊢ 𝐸 = {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} | |
| 6 | 5 | 0even 49153 | . 2 ⊢ 0 ∈ 𝐸 |
| 7 | ssrab2 4028 | . . . 4 ⊢ {𝑧 ∈ ℤ ∣ ∃𝑥 ∈ ℤ 𝑧 = (2 · 𝑥)} ⊆ ℤ | |
| 8 | 5, 7 | eqsstri 3977 | . . 3 ⊢ 𝐸 ⊆ ℤ |
| 9 | zsscn 12624 | . . 3 ⊢ ℤ ⊆ ℂ | |
| 10 | 8, 9 | sstri 3940 | . 2 ⊢ 𝐸 ⊆ ℂ |
| 11 | 2zrngbas.r | . . 3 ⊢ 𝑅 = (ℂfld ↾s 𝐸) | |
| 12 | cnfldbas 21590 | . . 3 ⊢ ℂ = (Base‘ℂfld) | |
| 13 | cnfld0 21610 | . . 3 ⊢ 0 = (0g‘ℂfld) | |
| 14 | 11, 12, 13 | ress0g 18868 | . 2 ⊢ ((ℂfld ∈ Mnd ∧ 0 ∈ 𝐸 ∧ 𝐸 ⊆ ℂ) → 0 = (0g‘𝑅)) |
| 15 | 4, 6, 10, 14 | mp3an 1490 | 1 ⊢ 0 = (0g‘𝑅) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 ∃wrex 3086 {crab 3412 ⊆ wss 3899 ‘cfv 6533 (class class class)co 7414 ℂcc 11123 0cc0 11125 · cmul 11130 2c2 12320 ℤcz 12616 ↾s cress 17323 0gc0g 17525 Mndcmnd 18837 Ringcrg 20373 CRingccrg 20374 ℂfldccnfld 21586 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11181 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-mulcom 11189 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 ax-pre-mulgt0 11202 ax-addf 11204 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8456 df-er 8697 df-en 8954 df-dom 8955 df-sdom 8956 df-fin 8957 df-pnf 11270 df-mnf 11271 df-xr 11272 df-ltxr 11273 df-le 11274 df-sub 11468 df-neg 11469 df-nn 12259 df-2 12328 df-3 12329 df-4 12330 df-5 12331 df-6 12332 df-7 12333 df-8 12334 df-9 12335 df-n0 12530 df-z 12617 df-dec 12738 df-uz 12889 df-fz 13563 df-struct 17240 df-sets 17257 df-slot 17275 df-ndx 17287 df-base 17303 df-ress 17324 df-plusg 17356 df-mulr 17357 df-starv 17358 df-tset 17362 df-ple 17363 df-ds 17365 df-unif 17366 df-0g 17527 df-mgm 18731 df-sgrp 18822 df-mnd 18838 df-grp 19061 df-cmn 19910 df-mgp 20275 df-ring 20375 df-cring 20376 df-cnfld 21587 |
| This theorem is used by: 2zrngagrp 49165 |
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